Schäfer, M., Brütting, C., Baldwin, I. T., & Kallenbach, M. (2016). High-throughput quantification of more than 100 primary- and secondary-metabolites, and phytohormones by a single solid-phase extraction based sample preparation with analysis by UHPLC-HESI-MS/MS. Plant Methods, 12: 30. doi:10.1186/s13007-016-0130-x.